Updated Working on GNU Linux (markdown)

Working-on-GNU-Linux.md

@@ -24,6 +24,8 @@ You need to install some required libraries; **ALSA** for audio, **Mesa** for Op
 
 #### Wayland
 
+ > WARNING: Wayland building requires manual generation of some wayland specific files. GLFW support for Wayland is "experimental and incomplete". For more info check issue [#2666](https://github.com/raysan5/raylib/issues/2666)
+
 Building for wayland requires the following additional packages
 
     sudo dnf install wayland-devel libxkbcommon-devel wayland-protocols-devel